Publications by authors named "Vaclav Holecek"

Background: The benefit of probiotics in newborn children in relation to allergy and general morbidity later in life appears to be controversial. Allergic diseases represent an increasingly important health problem worldwide in recent years. This is evident in all age groups.

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Amyotrophic Lateral Sclerosis (ALS) is one of the most dangerous and least understood diseases with a pathophysiology that is still largely unknown. In this article we try to provide a pathophysiological explanation of the etiological, pathogenetic, and clinical aspects of ALS. After a description of the rather complicated classification of the disease, we continue with an evaluation of its clinical presentation.

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Objectives: The aim of the study was to demonstrate the ability to measure free radicals and singlet oxygen, using EPR methods, in the tail of anaesthetized rats. The advantage of this method lies in the potential for continuous evaluation of free radicals and singlet oxygen during nociceptive processes.

Methods: Electron paramagnetic (spin) resonance (EPR/ESR) was used.

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The concentrations of ROS were measured in samples of the sensorimotor brain cortex and in the rat blood. We measured the following parameters: The six lines spectra, nitroxide radical, free hydroxyl radical and singleton oxygen. Their concentration was measured under physiological conditions, after the nociceptive stimulation and after the application of melatonin, both in normal and stimulated animals.

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Objectives: To study the balance between the pro-oxidative and antioxidative defence system after repeated painful stimulation in rats and the efficacy of the administration of different antioxidants (vitamins C, E, A, and selenium), analgesics (acetylsalicylic acid, morphine), and their combinations.

Methods: Mechanical clamping of both hind limbs was applied for 10 min for 5 consecutive days in adult male Wistar rats. The tail-flick latency was measured before and after a 5-day nociceptive stimulation with or without the substance application.

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